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National Liver Histopathology EQA Scheme National Liver Histopathology EQA Scheme Circulation I1 Autumn 2013 Histories, photomicrographs, scoring and comments number of liver biopsies per year 20 18 16 14 12 10 8 6 4 2 0 <5 6 to 15 16-25 26-35 36-45 46-55 56-65 66-75 76-85 86-95 96-105 106-205 206-305 306-405 406-505 >506 Replies from 69 from Gloucester GI course in 2011 (in blue), (13 liver EQA members and overseas consultants excluded) and from 53 liver EQA members, 2013 (in red). Questionnaire scored 1-5 where 1 = strongly disagree (red) and 5 = strongly agree (blue) In general I enjoy reporting liver biopsies Proportion of reported cases that has been discussed with a colleague: I feel 'rusty' in liver pathology and wonder if my report covers what the clinician needs Summary: Pathologists who are not liver EQA members feel less confident about reporting liver biopsies and are more often discuss cases with colleagues Liver subcommittee of pathology section of BSG EQA scheme Programme of annual meetings Website RCPath documents admin In 2014: UK and Eire Liver Pathology Group Why now? – developments in diagnosis, treatment, tumours, networks etc. Tissue Pathways for liver biopsies, 2nd edition – due in December 2013 lead for liver pathology, reporting liver biopsies? do enough to maintain skills. - EQA members - corresponding members – everyone else who reports liver biopsies - trainee members UK and Eire Liver Pathology Group Purpose: Best possible liver histopathology service across all levels of specialisation – Educational, – professional liaison, – research Circulation I1 • 88 responses • 80% agreement = at least 70 responses for sufficient consensus to use case for scoring. • Suggested scoring shown in box – – Red text = score 0 – Brown text = score half marks – Green text – please comment on proposed scoring • Comments received from 4 members • Masterclass cases: – Liver biopsy in HIV patients – case 424 – Rob Goldin – Liver biopsy in patients taking methotrexate – case 427 – Sue Davies Case I1/422 Age 53, Female Patient with multisystemic sarcoidosis - deranged liver tests. Suspicious of liver sarcoidosis One core 17mm long 422 422 422 422 Case I1/422 Age 53, Female 88 Granulomas 46 consistent with sarcoid as only comment 21 comment on absence of biliary features 42 Consistent with sarcoid, but exclude TB etc. Suggested scoring: accept all = agreed at meeting Original diagnosis: Liver biopsy - sarcoidosis Case I1/423 Age 66, Male Persistently high ALT. AMA Positive. Serum electrophoresis = polyclonal hypergammaglobulinaemia Core biopsies tan liver tissue (please also see reticulin, sirius red and orcein on website) 423 423 423 422423 423 423 423 retic 423 sirius red 423 orcein Case I1/423 Age 66, Male Morphology Clinico-path: 79 Biliary features definitely 81 Primary Biliary Cirrhosis 5 Biliary features not described at all 25 – consider overlap, PBC first 2 - consider overlap, AIH first Stage: 6 – not overlap 36 Cirrhosis 28 possible/developing/incomplete 1 AIH only cirrhosis 1 ‘cirrhosis on a background of AIH’ 11 Bridging fibrosis 1 AIH, differential PBC, Wilson 1 Severe fibrosis 1 ‘high stage with cholestatic features and 5 fibrosis NOS early amyloid’ 1 Collapse (2 others also mentioned amyloid) 5 No comment on stage 1 Wilson disease, differential AIH 1 ‘chronic active hepatitis due to chronic biliary tract disease, suggestive of PBC; metavir A2F3’ Suggested scoring: accept all with PBC as main diagnosis Score 0 if no mention of PBC, 5 if PBC in differential, not main diagnosis, Insufficient consensus to score stage. ‘Chronic active hepatitis’ answer score 5 because confusing terminology. Suggested scoring agreed at meeting. Case I1/423 Age 66, Male Original diagnosis: established cirrhosis – primary biliary cirrhosis. Comment: Biliary features of ductular reaction and copper associated protein dominate. Insufficient clinical information for full evaluation of overlap with AIH, but not suggested by the histology – little interface hepatitis, few plasma cells. Case I1/424 Age 53, Male HIV (CD4 =370) on HAART, history of diabetes mellitus, excesss alcohol. Hepatomegaly Single core 16mm length (please also see van Gieson on website) 424 424 424 424 424 424 424 van Gieson Case I1/424 Age 53, Male Morphology Clinicopath 73 Cirrhosis 4 No aetiological features 10 developing cirrhosis /Ishak stage 5 48 c/w ALD/NAFLD 4 bridging fibrosis 9 ALD only 1 developing fibrosis 2 NAFLD only 5 Not a fatty liver disease 39 steatohepatitis 17 ALD/NAFLD not mentioned 24 steatosis 27 ? Also HAART contributing to FLD 4 not fatty liver disease 1 HAART as only cause 5 fatty liver not mentioned 10 hepatitic process 9 ? AIH 1 cholestatic hepatitis 27 Exclude Hepatitis C 1 acute on chronic hepatitis 7 Features of raised venous pressure 4 drug induced hepatitis (not as part of Suggested scoring: fatty liver) 1 parasite/fungi as only cause Insufficient consensus for 2 HIV as cause scoring 1 CMV- HIV cholangiopathy Case I1/424 Age 53, Male Original diagnosis: cirrhosis on a background of steatohepatitis. Masterclass presentation by Rob Goldin: Liver biopsy in patients with HIV. Case 424: Rob Goldin: Masterclass: HIV and the liver HIV and the liver Rob Goldin Case 424: Rob Goldin: Masterclass: HIV and the liver Anything can happen. All the usual causes of liver disease are worse. Opportunistic infections have become less common. Drug induced liver disease is very common. As people live longer liver disease becomes an increasing important cause of morbidity and mortality Case 424: Rob Goldin: Masterclass: HIV and the liver Review of liver function in HIV patients Attendance between 1st January and 31st December 2009 1,412 patients had 3,947 sets of LFTs requested Abnormality of LFT was common , only 12% were “normal” (<40 IU/l) Cowan et al, EASL 2012 Factors involved in aetiology of liver disease in HIV Source : Joshi 2011 Case 424: Rob Goldin: Masterclass: HIV and the liver Differential diagnosis of liver disease in HIV infection in the ART-era Clin Gastroenterol Hepatol. 2010 December; 8(12): 1002–1012. Case 424: Rob Goldin: Masterclass: HIV and the liver HEPATIC PARENCHYMAL DISEASE Infection Viral Hepatitis: HCV, HBV, HDV, HAV, HEV, CMV, EBV, HSV, VZV, HHV6 Mycobacterium avium complex Cryptococcus neoformans Microsporidium Pneumocystis jirovecii Bacillary peliosis hepatis Histoplasma capsulatum Nonalcoholic fatty liver disease Medication toxicity Alcoholic liver disease Recreational Drugs Cocaine MDMA (Ecstasy) Neoplasm Lymphoma Kaposi's sarcoma Hepatocellular carcinoma Nodular regenerative hyperplasia Autoimmune hepatitis Hemochromatosis Wilson's disease Alpha-1 antitrypsin deficiency BILIARY DISEASE AIDS Cholangiopathy Cryptosporidium CMV Microsporidium Cyclospora cayetanensis Mycobacterium avium intracellulare Histoplasma capsulatum Acalculous cholecystitis Cryptosporidium CMV Isospora Microsporidium Neoplasm Lymphoma Kaposi's sarcoma Primary sclerosing cholangitis Primary biliary cirrhosis Case 424: Rob Goldin: Masterclass: HIV and the liver Most common ART agents associated with liver injury in HIV-infected patients MEDICATION TYPICAL DOSE DOSE ADJUSTMENT FOR HEPATIC MECHANISM OF LIVER INJURY Case 424: Rob Goldin: Masterclass: INSUFFICIENCY NNRTI Nevirapine (NVP) 200 mg po bid Child-Pugh Class B or C: Hypersensitivity reaction, direct HIV and the liver Contraindicated drug toxicity/drug metabolism Etravirine (ETR) 200 mg po bid Child-Pugh Class A or B: No Hypersensitivity reaction adjustment Child-Pugh Class C: Not defined PI Ritonavir (RTV) full- No longer used Direct drug toxicity/drug dose metabolism Tipranavir (TPV) + RTV (TPV 500 mg + RTV 200 mg) po bid Child-Pugh Class A: Use with caution Direct drug toxicity/drug low-dose Child-Pugh Class B or C: metabolism Contraindicated Atazanavir (ATV) 400 mg po once daily Child-Pugh Class B : 300 mg po once Indirect hyperbilirubinemia: does daily not cause liver injury Child-Pugh Class C: Contraindicated Indinavir (IDV) 800 mg po q8h Mild to moderate hepatic Indirect hyperbilirubinemia: does insufficiency: not cause liver injury 600 mg po q8h NRTI Stavudine (D4T) ≥60 kg: 40 mg po bid Not defined Mitochondrial toxicity <60 kg: 30 mg po bid Zidovudine (AZT, ZDV) 300 mg po bid Not defined Mitochondrial toxicity Didanosine (ddI) Enteric coated: No adjustment Mitochondrial toxicity, cryptogenic ≥60 kg: 400 mg po once daily liver disease, <60 kg: 250 mg po once daily noncirrhotic portal hypertension Oral Solution: ≥60 kg: 200 mg po bid or 400 mg po once daily <60 kg: 150 mg po bid or 250 mg po once daily Abacavir (ABC) 300 mg po bid Child-Pugh Class A: 200 mg po bid Hypersensitivity reaction, especially (use in HLA-B*5701 oral solution) positive patients Child-Pugh Class B or C: Contraindicated Lamivudine (3TC) 300 mg po once daily or 150 mg po No adjustment HBV reactivation due to medication bid withdrawal or resistance Emtricitabine (FTC) Oral capsule: 200 mg po once daily Not defined HBV reactivation due to medication Oral solution: 240 mg po once daily withdrawal or resistance Tenofovir (TDF) 300 mg po once daily No adjustment HBV reactivation due to medication withdrawal or resistance Other Enfuvirtide (T20) 90 mg subcutaneous bid Not defined Hypersensitivity reaction Maraviroc (MVC) Recommended dose depends on other drugs in regimen Case 424: Rob Goldin: Masterclass: HIV and the liver Partial list of potentially hepatotoxic non-ART medications prescribed to HIV-infected individuals Case 424: Rob Goldin: Masterclass: HIV and the liver MEDICATION PATTERN OF LIVER INJURY Antifungals Ketoconazole, Fluconazole, Amphotericin B Hepatocellular
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